68068408 has 64 divisors (see below), whose sum is σ = 144322560. Its totient is φ = 29922816.

The previous prime is 68068379. The next prime is 68068411. The reversal of 68068408 is 80486086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146785 + ... + 147247.

It is an arithmetic number, because the mean of its divisors is an integer number (2255040).

Almost surely, 2^68068408 is an apocalyptic number.

68068408 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68068408 is an abundant number, since it is smaller than the sum of its proper divisors (76254152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68068408 is a wasteful number, since it uses less digits than its factorization.

68068408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 68068408 is about 8250.3580528363. The cubic root of 68068408 is about 408.3023358209.

The spelling of 68068408 in words is "sixty-eight million, sixty-eight thousand, four hundred eight".